Abin mamaki na "Yaron da yarinyar" Suna zagayawa kuma suna aiki daidai da yanayin yanayi. Kungiyar Kula da Yanayi ta Duniya (WMO) ta yi gargadin cewa ana tsammanin yanayin "La Niña" na tsaka tsaki ko mai rauni sosai a farkon rabin shekarar 2017. Kodayake akwai yiwuwar lamarin na iya canzawa daga watan Mayu.
Don sanin ayyukan waɗannan abubuwan, WMO ya dogara ne akan nazarin da ƙirƙirar samfuran da ke hango waɗannan ayyukan. Bayan nazarin su, sun cimma matsaya cewa yiwuwar tsaka-tsakin yanayin muhalli ana kiyaye su koda tare da abin da ya faru na "La Niña" shine 70-85%.
Abin da ya faru na "La Niña"
Don daidaita yanayin wannan bayanin, a taƙaice muna tuno menene abin da ke faruwa "La Ni Laa". Wannan lamarin yana tasowa lokacin da kyakkyawan yanayin Kudancin Oscillation ya isa matakan mahimmanci kuma yana ɗaukar watanni da yawa.
Lokacin da "La Niña" ya kasance, matsin lamba na teku yana raguwa a yankin Oceania, kuma yana haifar da ƙaruwa iri ɗaya a cikin wurare masu zafi da ƙauyuka na Pacific a bakin iyakar Kudancin Amurka da Amurka ta Tsakiya; wanda ke haifar da ƙaruwa a cikin bambancin matsin lamba da ke tsakanin ƙarshen ƙarshen tekun Pacific. Iskokin kasuwancin sun tsananta, suna haifar da zurfin mai sanyaya mai zurfin raƙuman ruwa zuwa gaɓar tekun Pacific don kasancewa a saman.
Wadannan iska mai karfin gaske da suke aiki ba ji ba gani suna aiwatar da tasirin jan ruwa a saman tekun, suna kara bambanci a matakin teku tsakanin bangarorin biyu na tekun Pacific. Tare da wannan, matakin teku yana raguwa a gabar kogin Colombia, Ecuador, Peru da arewacin Chile kuma yana ƙaruwa a cikin Oceania. Sakamakon bayyanar ruwan sanyi mai dan dama a Equator, yanayin zafin saman teku yana raguwa kasa da kimar kimar yanayin zafi.
Wannan shi ne mafi tabbatacciyar shaidar kasancewar abin La Laña. Koyaya, matsakaicin mummunan yanayin zafin jiki ya zama ƙasa da waɗanda aka rubuta yayin El Niño. A yayin al'amuran La Niña, ruwan zafi a cikin tekun Pacific yana mai da hankali a yankin kusa da Oceania kuma yana kan wannan yankin inda girgije da hazo mai tsananin ci gaba ke gudana.
Yanayin zafi a cikin Pacific
A lokacin rabin na biyu na 2016, yanayin yanayin saman tekun Pacific yana kan iyakar ƙofar da ke raba yanayin sanyi da tsaka tsaki. Yanzu, a farkon shekara ta 2017, waɗannan yanayin yanayin da wasu filayen yanayi sun dawo sarai zuwa matakan tsaka tsaki, don haka tasirin "La Niña" ba ya gudana. Waɗannan alamun suna sa masu ilimin yanayi suyi tunanin waɗannan sharuɗɗan zai kasance mai karko yayin farkon rabin shekarar 2017.
Bambancin aiki akan yanayin duniya shine "El Niño" yana sa su tashi kuma "La Niña" yana sa su faɗi. Bugu da kari, "La Niña" yana kara yawan guguwa a cikin Tekun Atlantika.
A rabi na biyu na 2017
Saboda waɗannan al'amuran ba koyaushe suke da karko ba, ana yin samfuran da ke aiwatar da canje-canje waɗanda waɗannan al'amuran suka dogara da su. Wadannan tsinkayen da tsarin WMO yayi don bayan Mayu 2017, sun haɗa da dama da dama. Wataƙila yanayin sanyi zai iya faruwa, kwatankwacin waɗanda “La Niña” ke bayarwa amma har ila yau yanayin tsaka-tsaka har zuwa lokacin da za a sami ci gaba ta gaba game da batun “El Niño”.
A rabin rabin shekarar 2017, da alama yanayin La Niña zai ci gaba ” a cikin damar 50%, yana nuna kungiyar, wacce tayi gargadin, duk da haka, cewa yiwuwar wani "El Niño" da ke faruwa yayin kashi na uku ko na huɗu na 2017 "yana da mahimmanci", yana tsaye a kusan 35 ko 40%.
Hanyoyin “El Niño” yawanci duk bayan shekaru 7. Koyaya, saboda aikin canjin yanayi, waɗannan hawan keke suna faruwa da ƙarfi sosai kuma akai-akai.